Further arguing as to why "mama" should be her baby girl's first word, Lively joked about her handsome hubby, "He's pathetic! I do everything, he does nothing."

The former "Gossip Girl" star also revealed that the first-time parents might be working on a redesign of their daughter's room for when she's older that will suit their overprotective behavior.

"Her room has no windows. We cannot have a child, our daughter, go in with a boyfriend and do anything terrible," she explained to Fallon." We need a chastity window! That's a new form of contraception."